Across
- 4. Eats only plants
- 6. Study of organisms and environment
- 10. Anaerobic energy process
- 12. Visible surface of the sun
- 13. Trait increasing survival
- 14. Part of a neuron transmitting impulses
- 15. Eats only animals
Down
- 1. Seasonal movement of animals
- 2. Provides support to plant cells
- 3. Chemical messenger in the body
- 5. Receives signals in a neuron
- 7. Variant form of a gene
- 8. Gel-like cell interior
- 9. Leaf pores for gas exchange
- 11. Eats both plants and animals